Rocky Road Brownies
Brownies get an upgrade with add-ins of chocolate chips and walnuts, and a rocky road–inspired marshmallow topping. In a toaster oven–style air fryer, the marshmallows get a quick toasting on the BROIL setting, so they’re crisp and browned on the outside and chewy in the middle (look to the recipe note for modified instructions for basket-style air fryers). Serve these with a cold glass of milk, or with vanilla ice cream and chocolate sauce for a killer brownie sundae. “Copyright © 2022 by Coco Morante Photography © 2022 by Dana Gallagher “
Servings Prep Time
9Servings 10Minutes
Cook Time
Servings Prep Time
9Servings 10Minutes
Cook Time
  • Avocado oil spray
  • 3cups powdered sugar
  • 3/4cup all-purpose flour or gluten-free flour blend
  • 2/3cup unsweetened cocoa powder
  • 1/2cup avocado oil
  • 2 large eggs
  • 3tbsp Water
  • 1/2tsp vanilla extract
  • 1/4tsp kosher salt
  • 2/3cup chocolate chipsdivided 1walnut pieces, divided
  • 1cup Mini marshmallowsregular or plant-based
  1. Spray an 8-inchbaking pan with avocado oil (see note).
  2. In a mixing bowl, whisk together the powdered sugar, flour, and cocoa powder. Add the avocado oil, eggs, water, vanilla, and salt and stir to combine until the dry ingredients are absorbed. Add half of the chocolate chips and half of the walnuts and stir until evenly mixed.
  3. Preheat the air fryer on BAKE at 300°F and set the cooking time for 45 minutes. Transfer the brownie batter to the baking pan, then sprinkle on the remaining chocolate chips and walnuts.
  4. Bake the brownies in the preheated air fryer.
  5. When the cooking program ends, sprinkle the marshmallows on top of the brownies. Cook the brownies on your air fryer’s BROIL setting at its highest temperature (some will go up to 450°F, while others top out at 400°F) for 3 minutes, or just until the marshmallows are puffed and toasty brown.
  6. Remove the brownies from the oven. Let them cool in the pan for at least 2 hours, then slice and serve.
Recipe Notes

If you are using a basket-style air fryer (6-quart size), use an 8-inch round metal cake pan, stir all of the walnuts, chocolate chips, and marshmallows into the batter (do not reserve any for topping), and increase the cooking time to 1 hour. skip the broiling step. the brownies will be fudgy on the inside with an extra-crispy top layer. If you are using a toaster oven–style air fryer, you can use an 8-inch round or square metal cake pan for more evenly baked brownies, or an 8-inch square Pyrex dish for a brownie with an extra-gooey center. If you like, you can line the bottom of the cake pan with a round of parchment for easier unmolding. For an even quicker treat, you can use a store-bought brownie mix for this recipe. Any 18- to 19-ounce boxed mix will work well—I like the classic Betty Crocker fudge brownie mix. substitute the boxed mix for the powdered sugar, flour, and cocoa powder.